Re: 104 blade sharpening anomaly


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Posted by Gregg on June 27, 2017 at 09:13:36:

In Reply to: Re: 104 blade sharpening anomaly posted by Dimebag on June 24, 2017 at 04:30:44:

Thank you, Bill, for initiating the post and thank you all for the responses. We have a total of (4) Gleason bevel generating machines. (1) 104 and (3) 2A. All these machines require the blades to have offset diameters or the result is a step in the tooth root. As far as I know this problem has been present since the machines were installed eons ago. When time allows we have tried moving the cutters every which way to eliminate this step (blades were equal diameters for this). We found that moving the cutters to eliminate the step resulted in insufficient adjustability to achieve the correct contact pattern or the blades were near binding. Blades are sharpened with a manual Gleason blade sharpener. Gleason gages verify blade sharpening. Brand new blades out of the box will result in a step. Cutter spindle runout is less than .0002, verified June 27, 2017. Summaries have been generated using various methods by various people and machines setup by different people over the years. My assumption is that the lower blade spindle projects further out of the machine. Manufacturing error? Initial design style? I have not had much luck trying to measure this distance. I just find it odd that all (4) of our machines exhibit this anomaly.


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